Finding the Fourth Proportional to 150,207.21, 207,295.94 and 86,549.11
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Solution
The fourth proportional to 150,207.21, 207,295.94 and 86,549.11 is: 119,443.53
Step by Step Solution
- Step 1: Write the proportion equation
150,207.21 : 207,295.94 = 86,549.11 : x - Step 2: Convert to fraction form
150,207.21/207,295.94 = 86,549.11/x - Step 3: Cross multiply
150,207.21x = 207,295.94 × 86,549.11 - Step 4: Simplify right side
150,207.21x = 17,941,278,811.75 - Step 5: Solve for x
x = 17,941,278,811.75/150,207.21 - Step 6: Final answer
x = 119,443.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.